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Join Date: Apr 2003
Location: Las Cruces, NM
Posts: 2,459
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Need someone to identify this
What is this, what does it do, and what hose goes to that nipple on the front of it?
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2007 Mazda 3 hatch 1972 Porsche 914 roller with plenty of holes to fix 
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05-30-2004, 12:16 PM
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Mystery port....
There should be a hose that runs from the cannister in front of the oil filter to the right side of the air box. It is a special hose with different size ends. It is part of the emissions control system.
Fred Cook '80 911SC coupe |
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05-30-2004, 02:23 PM
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Join Date: Oct 2000
Location: Nor-Cal
Posts: 4,403
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Charcoal canister for the vapor recovery of fuel and fumes.
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05-30-2004, 02:51 PM
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Monkey+Football
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Good thing you posted a pic. I thought for a second you were talking about your avatar, had me worried there.
What Makaio said, charcoal canister.
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<Insert witty comment> 85 Targa Wong Chip Fabspeed M&K Bilsteins and a bunch of other stuff. |
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05-30-2004, 05:31 PM
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Location: Las Cruces, NM
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Quote:
Anyhow, i've never heard of a charcoal canister, i have no idea what it does, and i don't have ac, heat, or emission control in the car. Should i just leave that nipple alone? Plug it? What about the lines that go to the back of it?
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2007 Mazda 3 hatch 1972 Porsche 914 roller with plenty of holes to fix
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05-30-2004, 06:29 PM
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Join Date: Oct 2003
Location: London Ont Canada
Posts: 3,120
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The charcoal canister absorbs fumes vented from the gas tank and fuel system , mostly when parked. It is normally purged with fresh air when the car is running . They are fairly lightweight and have little effect on performance one way or another. I would probably leave it unless you are fanatically lightening the car.
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1980 911 SC 3.6 coupe sold 1995 993 coupe 1966 Mustang Shelby clone 1964 Corvair Spyder Turbo gone 2012 Boss 302 |
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05-30-2004, 06:42 PM
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diagram:
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max |
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05-30-2004, 08:31 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,078
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you can only run epa certified colored charcoal in the early models do to the 1970's clean air act .....so sad
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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05-30-2004, 10:01 PM
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Join Date: Mar 2001
Location: Wallenstein, Ontario, Canada
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The charcoal canister bung was left open to atmosphere on the later cars like yours, and the hole on the airbox plugged with a rubber plug (hose 6 in the above diagram removed) so as long as your airbox has the plug your car is as it is supposed to be. Leave it installed it isn't removing any performance and is helping the environment a little bit.
Todd
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1989 911 Targa |
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05-31-2004, 05:02 AM
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Location: Las Cruces, NM
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Ok, i'm not that much of a freak to lighten the car, i was just hoping it didn't have any crucial vacuum going to it. Anyhow, i think you mean hose 5 was removed, because hose six i believe exits the back of the canister, around the front of the engine bay, to the left side of the air box. The hole that is plugged on my air box is on the right side facing the canister. Thanks for the information guys.
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2007 Mazda 3 hatch 1972 Porsche 914 roller with plenty of holes to fix
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05-31-2004, 12:42 PM
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Zeus (god of thunder and lightning)
1980 /1997 Porsche 911 SC/ 993s 3.0 / 3.6
